Fenland Police in Cambridgeshire posted the snaps showing a uniformed officer dressed in a cartoon mask on Twitter.

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A police force has been slammed for dressing up a cop for Halloween instead of fighting crimeCredit: SWNS:South West News Service

The cop, nicknamed PC Frankenstein, was pictured in an interview room, opening a cell door and behind bars while working a night shift.

But the barmy snaps caused outrage by a victim of crime who said the officer's time could have been better spent.

Mike Townley, 53, whose house was broken into earlier this year by a burglar who was never caught, said: "I was under the impression these officers were run off their feet.

"They should be out fighting crime not taking stupid pictures of themselves.

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Pictures showed 'PC Frankenstein' in an interview roomCredit: SWNS:South West News Service

"If they want to dress up for Halloween they should do it in their own time, not when they're on duty.

"It doesn't give a very tough message out to criminals, they should be doing what they're paid for."

In July, it was revealed Cambridgeshire Police has seen a large rise in recorded crime as it faces a budget deficit of nearly £10million over the next three years.

It follows a 17 per cent reduction in workforce since 2010 and raised concerns around the level of demand facing policing in the county.

Cambridgeshire also has some of the highest levels of 999 and 101 calls in the country, between 190,000 and 210,000 incidents per year.

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The photos were slammed by a victim of crimeCredit: SWNS:South West News Service

Speaking at a media briefing earlier in the year, Cambridgeshire Police Chief Constable Alec Wood said: "Demand for our services has never been higher and this is putting pressure on our control room and the frontline.

"Nationally policing is seeing an increase in '999' calls and recorded crime, and Cambridgeshire is no different.

"At times of high demand a number of officers and staff are having to work long hours, having rest days cancelled and dealing with a high volume of incidents."

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One officer pictured wearing a striking pair of heels to raise awareness of domestic violenceCredit: Twitter

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Two PCSOs dressing up in bear outfits while on patrolCredit: Twitter

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Cops were pictured with painted nails as part of a campaign to highlight modern day slaveryCredit: Twitter